GB2417385B - Acoustic device with a noise reduction unit - Google Patents

Acoustic device with a noise reduction unit

Info

Publication number
GB2417385B
GB2417385B GB0516762A GB0516762A GB2417385B GB 2417385 B GB2417385 B GB 2417385B GB 0516762 A GB0516762 A GB 0516762A GB 0516762 A GB0516762 A GB 0516762A GB 2417385 B GB2417385 B GB 2417385B
Authority
GB
United Kingdom
Prior art keywords
noise reduction
reduction unit
acoustic device
acoustic
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB0516762A
Other versions
GB0516762D0 (en
GB2417385A (en
Inventor
David Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35098368&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2417385(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of GB0516762D0 publication Critical patent/GB0516762D0/en
Publication of GB2417385A publication Critical patent/GB2417385A/en
Application granted granted Critical
Publication of GB2417385B publication Critical patent/GB2417385B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17827—Desired external signals, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • G10K11/1788—
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3224—Passive absorbers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Headphones And Earphones (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB0516762A 2004-08-17 2005-08-16 Acoustic device with a noise reduction unit Active GB2417385B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2004200828790U CN2744105Y (en) 2004-08-17 2004-08-17 A low-cost and high-efficiency anti-noise earphone and supporting device

Publications (3)

Publication Number Publication Date
GB0516762D0 GB0516762D0 (en) 2005-09-21
GB2417385A GB2417385A (en) 2006-02-22
GB2417385B true GB2417385B (en) 2007-11-21

Family

ID=35098368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0516762A Active GB2417385B (en) 2004-08-17 2005-08-16 Acoustic device with a noise reduction unit

Country Status (3)

Country Link
US (1) US20060067538A1 (en)
CN (1) CN2744105Y (en)
GB (1) GB2417385B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008197284A (en) * 2007-02-09 2008-08-28 Sharp Corp Filter coefficient calculation device, filter coefficient calculation method, control program, computer-readable recording medium, and audio signal processing apparatus
JP5363825B2 (en) * 2009-02-04 2013-12-11 株式会社オーディオテクニカ Noise canceling headphones
IL236506A0 (en) * 2014-12-29 2015-04-30 Netanel Eyal Wearable noise cancellation deivce
CN104754436B (en) * 2015-03-13 2024-01-16 钰太芯微电子科技（上海）有限公司 Active noise reduction method and noise reduction earphone
CN104967935A (en) * 2015-06-12 2015-10-07 苏州佑克骨传导科技有限公司 Large-power oscillator suitable for bone conduction earphone
CN105704909B (en) * 2016-02-25 2019-02-12 Oppo广东移动通信有限公司 circuit board and terminal
CN109495801B (en) * 2018-11-27 2020-11-06 上海摩软通讯技术有限公司 Earmuff and noise reduction method of earmuff
CN110012809A (en) * 2019-05-07 2019-07-16 黄大伟 A kind of intradermal rubber tapping cutter of rubber tree and rubber tapping method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002559A1 (en) * 1995-07-03 1997-01-23 National Research Council Of Canada Digital feed-forward active noise control system
US5815582A (en) * 1994-12-02 1998-09-29 Noise Cancellation Technologies, Inc. Active plus selective headset
WO2000035243A2 (en) * 1998-12-10 2000-06-15 University Of Southampton Noise reducing headsets
WO2001067433A1 (en) * 2000-03-07 2001-09-13 Central Research Laboratories Limited A method of improving the audibility of sound from a loudspeaker located close to an ear
US20030026438A1 (en) * 2001-06-22 2003-02-06 Trustees Of Dartmouth College Method for tuning an adaptive leaky LMS filter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6597792B1 (en) * 1999-07-15 2003-07-22 Bose Corporation Headset noise reducing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815582A (en) * 1994-12-02 1998-09-29 Noise Cancellation Technologies, Inc. Active plus selective headset
WO1997002559A1 (en) * 1995-07-03 1997-01-23 National Research Council Of Canada Digital feed-forward active noise control system
WO2000035243A2 (en) * 1998-12-10 2000-06-15 University Of Southampton Noise reducing headsets
WO2001067433A1 (en) * 2000-03-07 2001-09-13 Central Research Laboratories Limited A method of improving the audibility of sound from a loudspeaker located close to an ear
US20030026438A1 (en) * 2001-06-22 2003-02-06 Trustees Of Dartmouth College Method for tuning an adaptive leaky LMS filter

Also Published As

Publication number Publication date
GB0516762D0 (en) 2005-09-21
US20060067538A1 (en) 2006-03-30
CN2744105Y (en) 2005-11-30
GB2417385A (en) 2006-02-22

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Legal Events

Date Code Title Description
S72 Application for revocation before the comptroller (sect. 72/patents act 1977)

Free format text: APPLICATION FILED; APPLICATION MADE TO THE COMPTROLLER FOR REVOCATION

S75 Amendment of patent in infringement or revocation proceedings before the comptroller (sect. 75/patents act 1977)

Free format text: APPLICATION FILED; PATENTS FORM 15 GIVING THE COMPTROLLER NOTICE OF OPPOSITION TO THE AMENDMENTS. YOU ALSO NEED TO FILE TWO COPIES OF A STATEMENT SETTING OUT FULLY THE FACTS OF YOUR CASE AND THE RELIEF THAT YOU ARE SEEKING. TITLE OF PATENT:ACOUSTIC DEVICE WITH A NOISE REDUCTION UNIT INTERNATIONAL CLASSIFICATION: G10K NAME OF PROPRIETOR: DAVID HUANG FOR A COPY OF THESE AMENDMENTS, PHONE LITIGATION SECTION (01633 813872)

S72 Application for revocation before the comptroller (sect. 72/patents act 1977)

Free format text: PATENT REVOKED; IN A DECISION OF THE COMPTROLLER DATED 12 NOVEMBER 2012, THE COMPTROLLER DIRECTED THAT THE REQUEST TO AMEND THIS PATENT UNDER SECTION 75 BE TREATED AS ABANDONED, AND THE PATENT BE REVOKED IN ACCORDANCE WITH SECTION 72(1) OF THE PATENTS ACT 1977

S75 Amendment of patent in infringement or revocation proceedings before the comptroller (sect. 75/patents act 1977)

Free format text: IN A DECISION OF THE COMPTROLLER DATED 21 NOVEMBER 2012, THE COMPTROLLER DIRECTED THAT THE REQUEST TO AMEND THIS PATENT UNDER SECTION 75 BE TREATED AS ABANDONED, AND THE PATENT BE REVOKED IN ACCORDANCE WITH SECTION 72(1) OF THE PATENTS ACT 1977